GNU Info

(m4.info)Syntax

---

Next: Macros Prev: Preliminaries Up: Top

---

Enter node , (file) or (file)node

Lexical and syntactic conventions
*********************************

   As `m4' reads its input, it separates it into "tokens".  A token is
either a name, a quoted string, or any single character, that is not a
part of either a name or a string.  Input to `m4' can also contain
comments.

Names

Macro names

Quoted strings

Quoting input to m4

Other tokens

Other kinds of input tokens

Comments

Comments in m4 input